About Us

Chengyi Quality

Three System Certification

In order to adapt to the company’s development and to demonstrate the company’s ability to stably provide products that meet the requirements of customers and applicable laws and regulations, through the effective application of the system, we will continue to improve our company’s processes and product quality, and continue to increase customer satisfaction. Our company has established Complete quality management system, and passed the ISO9001, ISO14001 and ISO45001 three systems certified by China Certification Center.

ISO9001 certificate of quality management system

ISO14001 certificate of Environmental Management System

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Our company has established a comprehensive quality management system in accordance with the requirements of the ISO9001 "Quality Management System" standard. Our company continues to improve and continuously improve our quality management system. Through the establishment, effective implementation and improvement of the quality management system, our company’s Product quality and service have been well received by well-known domestic and foreign companies.

Program File Control

Complete system control documents, complete welding procedure qualification

Process Inspection Equipment

Controlled by advanced testing equipment, raw material composition determination, weld inspection, etc.

Welding Equipment

Automated welding is carried out to the greatest extent, and automatic welding of heat exchange tube and tube sheet and longitudinal girth welding seam is carried out

Processing Equipment

Special material equipment adopts cold cutting for blanking and special coiling equipment to ensure material performance and processing quality

Main Equipment

shearing machines

Helium leak detector

Furnace for heat treatment

oil hydraulic press

Edge planer

CNC nozzle flange welding machine

Heat exchanger tube and plate welding robot

Low temperature impact testing machine

Technology and R&D

The company's technical department digests and absorbs cutting-edge technology through cooperation with professional colleges, scientific research institutes, and design institutes, and masters the core technology of special equipment production and the design and manufacture of equipment proprietary internal parts;

The technicians focus on the R&D and manufacturing of special material equipment manufacturing. Through long-term scientific research and development and a large number of material welding tests, they are proficient in the welding and manufacturing of various special materials.